Sierra Leone vs Viet Nam: People using improved drinking water sources
Sierra Leone
1.36 million people
in 2024
Viet Nam
1.25 million people
in 2024
Sierra Leone rank
41st
Viet Nam rank
43rd
People using improved drinking water sources over time
- Sierra Leone
- Viet Nam
How they compare
Sierra Leone currently reports 1.36 million people against 1.25 million people in Viet Nam, a difference of 110,830 people.
That makes Sierra Leone's figure about 1.1 times Viet Nam's.
The two have swapped places 1 time across 25 shared years of data; in 2000 it was Viet Nam ahead.
Sierra Leone ranks 41st and Viet Nam ranks 43rd of 231 countries.
Viet Nam has averaged higher in every one of the 3 decades both report.
Head to head by decade
| Decade | Sierra Leone | Viet Nam | Difference | Ahead |
|---|---|---|---|---|
| 2000s | 866,487 people | 6.68 million people | 5.81 million people | Viet Nam |
| 2010s | 1.13 million people | 5.06 million people | 3.94 million people | Viet Nam |
| 2020s | 1.31 million people | 2.44 million people | 1.13 million people | Viet Nam |
Averages of every year both report within each decade.
Frequently asked questions
- Which has higher people using improved drinking water sources, Sierra Leone or Viet Nam?
- Sierra Leone, at 1.36 million people against 1.25 million people in Viet Nam as of 2024.
- What is the difference in people using improved drinking water sources between Sierra Leone and Viet Nam?
- 110,830 people, with Sierra Leone ahead.
- How many years of comparable data are there for Sierra Leone and Viet Nam?
- 25 years are reported by both, from 2000 to 2024.
- How do Sierra Leone and Viet Nam rank globally for people using improved drinking water sources?
- Sierra Leone ranks 41st and Viet Nam ranks 43rd of 231 countries.
- Where does this data come from?
- WHO/UNICEF Joint Monitoring Programme for Water Supply, Sanitation and Hygiene (2025) – processed by Our World in Data, published as People using improved drinking water sources. Statizoid refreshes it automatically from the source and publishes the full history for both places.
Individual pages
About this data
Number of people using only unimproved drinking water sources.